(5) 使用for循环语句，编写程序输出以下图案。

☆ ☆☆☆ ☆☆☆☆☆ ☆☆☆☆☆☆☆ ☆☆☆☆☆ ☆☆☆ ☆

package com.zhangqian.exercise1; public class Star { }

}

System.out.println();}

public static void main(String[] args) {

// TODO Auto-generated method stub for (int i = 1; i <= 4; i++) { }

for (int i = 3; i > 0; i--) {

for (int k = 0; k <=4-i; k++) { }

for (int j = 1; j <= 2 * i - 1; j++) { }

System.out.print("☆"); System.out.print(" "); for (int k = 0; k <= 4 - i; k++) { }

for (int j = 1; j <= 2 * i - 1; j++) { }

System.out.println();

System.out.print("☆"); System.out.print(" ");